Why was Olean banned? The Story of a Fat Substitute
                                
                                
                                •
                                
                                
                        
                                    
                                    4 min read                                
                            
                                In 1998, Frito-Lay introduced a line of 'fat-free' snack chips called Wow! that were initially a massive commercial success, generating $400 million in sales during their first year. The secret ingredient was Olean, also known as Olestra, a synthetic fat that promised all the taste of fried food without the calories. However, this culinary innovation quickly became a health controversy, leading to its widespread public rejection and discontinuation in many markets.